A non-wrinkling limited graph for spherical surface parts of retiary metal sheet and metal sheet is obtained.
通过模拟得到了带
网
和
成形球面件时不起皱成形极限与厚的关系曲线。
脊椎} pore plateA non-wrinkling limited graph for spherical surface parts of retiary metal sheet and metal sheet is obtained.
通过模拟得到了带网和成形球面件时不起皱成形极限与厚的关系曲线。
Bench of closed circuit cooling tower that is composed of boiler ,exchanger, orifice flowmeter, water pump, micromanometer , heat indicator and so on is established.
建立了由锅炉、换热器、
量计、水泵、微压计、温度计等仪器设备组成的封闭式冷却塔实验台。
声明：以上例
、词
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